Class of service determining circuit



Jan. 4, 1955 J. o'D. SHEPHERD CLASS CF SERVICE DETERMININC CIRCUIT 55 Sheets-Sheet l Original Filed May 5, 1943 Jan. 4, 1955 J. o'D. SHEPHERD cLAss oF SERVICE DETERMINING CIRCUIT 53 Sheets-Sheet 2 Original Filed May 5. 1943 VVE/v70@ B J. OD. SHEPHERD A TTORNEV Jan. 4, 1955 .1. o'D. SHEPHERD CLAss oF SERVICE: DETERMININC CIRCUIT original Filed May 5, 1943 53 Sheets-Sheet 3 M, Ww

RNNDQ WFT Ollii /Na/ENTOR :J OD SHEPHERD Bv A 7` TORNEV Jan. 4, 1955 J. o'D. SHEPHERD cLAss oF SERVICE DETERMINING CIRCUIT 53 Sheets-Sheet 4 Original Filed May 5, 1943 /A/l/E/v To@ J OD. SHEPHERD By ATTORNEY Jan. 4, 1955 .1. o'D. SHEPHERD l 42,698,879

CLASS 0F SERVICE DETERMINING CIRCUIT Original Filed May 5, 1943 53 Sheets-Sheet 5 /NVENTOR ATTORNEY Jan. 4, 1955 J. O'D. SHEPHERD esaswv CLASS 0F` SERVICE DETERMINING CIRCUIT Original Filed May 5. 1943 53 Sheets-Sheet 6 J 0 EPHERD By Jan. 4, 1955 J. O'D. SHEPHERD CLASS OF' SERVICE DETERMINING CIRCUIT Original Filed May 5. 1943 POINT SLECTO REL AVS 53 Sheets-Sheet 7 /NVEN TOR v 0,0. SHEPHERD A TTOQNEV Jan. 4, 1955 .1. o'D. SHEPHERD cLAss oF SERVICE: DETERMINING CIRCUIT 53 Sheets-Sheet 8 Original Filed May 5, 1943 wbuoum .$519.51 kok vvv@ ATTORNEY Jan. 4, 1955 J. o'D. SHEPHERD 42,698,879

CLASS 0F SERVICE DETERMINING CIRCUIT Original Filed May 5, 1943 53 Sheets-Sheet 9 Jan. 4, 1955 J. o'D. SHEPHERD 2,698,879

CLASS OF SERVICE DETERMINING CIRCUIT Original Filed May 5. 1943 53 Sheets-Sheet lO ATTORNEY Jan. 4, 1955 J. o'D. SHEPHERD cLAss oF SERVICE DETERMINING CIRCUIT 53 Sheets-Sheet 11 Original Filed May 5. 1.943

/A/ VEN ro@ J 0,0. SHEPHERD Jan. 4, 1955' J. o'D. SHEPHERD 2,698,879

cLAss oF SERVICE: DETERMINING CIRCUIT Original Filed May 5, 1943 53 Sheets-Sheet 12 /NVE/vrop J 0,0 HEPHERD ,9V

ATTORNEY Jan. 4, 1955 J. o'D. SHEPHERD 2,698,879

CLASS OF SERVICE DETERMINING CIRCUIT Original Filed May 5, 1943 55 Sheets-Sheet 15 T0 OTHER ONE FOREACH PRIMARY SWITCH NA R G//VAL /NVENTOR J 0D SHEPHERD .9v v

PS Tl A 7` TORNEV Jan. 4, 1955 J. O'D. SHEPHERD CLASS OF SERVICE DETERMINING CIRCUIT Original Filed May 5, 1943 I C7" PAY' alger 55 Sheets-Sheet 14 /Nl/E/v TOR O'D. .SHEPHERD A 'T TURA/.5V

Jan. 4, 1955 J. o'D. SHEPHERD CLAss oF SERVICE DETERMINING CIRCUIT 53 Sheets-Sheet 15 Original Filed May 5, 1943 Y MH /.0 A0 JV .B

ATTORNEY Jan. 4, 1955 J. Q'D. SHEPHERD 2,698,879

CLASS OF SERVICE DETERMINING CIRCUIT Original Filed May 5, 1943 53 Sheets-Sheet 16 /N VENTO@ 5);! OD SHEPHERD ATTORNEY Jan. 4, 1955 J. o'n. SHEPHERD 2,698,879

CLASS OF SERVICE DETERMINING CIRCUIT Original Filed May 5 1943 53 Sheets-Sheet 17 TOSENDERS 0F GRP? l l l l l /A/ VE N TOR A TT'ORNEV Jan. 4, -1955 J. o'asHEPHERD 2,698,879

CLASS 0F' SERVICE DETERMINING CIRCUIT .Original Filed May 5l 1943 v53 Sheets-Sheet 18 A T rom/5V Jan. 4, 1955 J. o'D. SHEPHERD 2,698,879

CLASS OF SERVICE DETERMINING CIRCUIT Original Filed May 5, 1943v 1 55 Sheets-Sheet 19 /N VE N TOR I J on SHEPHERD By l A T TORNEV Jan. 4, 1955 J. o'D. SHEPHERD 2,698,879

cLAss 0F SERVICE DEIERMINING CIRCUIT original Filed May 5, 1945 53 Sheets-sheet 2o T0 SHOM! 0V .SENDER LINK l III-I SHOMO .sf/vom a anal/P 2 SEA/DER l GROUP Z SEA/DER L/NK 2 SEA/DER 0 GROUP l LINK 0 T SENDEN l GROUP l SNL l 1 FEA" /Nl/E/vrop J OD SHEPHERD A 7` TORNEV 

